10-15-2019 03:51 AM - edited 10-15-2019 03:53 AM
System board 5.3 (blink)
The embedded controller times out waiting for the BIOS.
Remove all accessory devices from the notebook.
If the error code persists, contact support for possible repair.
All of the above did not work, tried to reboot several times whilst pressing different key combinations
10-17-2019 11:10 AM
This is a Hardware issue and you need to contact HP Support for Service Options
Click on this link - www.hp.com/contacthp/ and select your Country to get the Contact details for HP Support
If the information I've provided was helpful, give us some reinforcement by clicking the "Solution Accepted" on this Post and it will also help other community members with similar issue.
I Am An HP Employee